2155324 has 12 divisors (see below), whose sum is σ = 3874024. Its totient is φ = 1048464.

The previous prime is 2155319. The next prime is 2155327. The reversal of 2155324 is 4235512.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 2155295 and 2155304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7134 + ... + 7429.

2^2155324 is an apocalyptic number.

It is an amenable number.

2155324 is a deficient number, since it is larger than the sum of its proper divisors (1718700).

2155324 is a wasteful number, since it uses less digits than its factorization.

2155324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14604 (or 14602 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 2155324 is about 1468.1021762807. The cubic root of 2155324 is about 129.1727349675.

The spelling of 2155324 in words is "two million, one hundred fifty-five thousand, three hundred twenty-four".